Compare phones
| Global Score | |
| 75.8 | 77.7 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 10 |
| 2017-01-13 | 2020-06-19 |
| 5.75 x 2.81 x 0.31 inches | 6.44 x 2.96 x 0.35 inches |
| 5.61 ounces | 6.77 ounces |
| Black sky, Blue mist, Gold sand and Peach cloud | Black, Blue, Red and White |
| Glass and Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| Super AMOLED | TFT |
| 424 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7880 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1900 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 GB RAM |
| Mali-T830 MP3 GPU | Mali-G76 GPU |
| 9 | 9.09 |
| Storage | |
| 32 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 9.84 |
| Camera | |
| 16.00 MP + 16.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 27.00mm focal length | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.24 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3000mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A21s is slightly better than the Galaxy A5 (2017), with a 77.7 score against 75.8. The Galaxy A21s is a way newer cellphone than the Galaxy A5 (2017), although it is somewhat thicker and somewhat heavier. Samsung Galaxy A21s counts with just a bit better processing power than Samsung Galaxy A5 (2017). Both have the same RAM memory amount and a Octa-Core CPU.
The Samsung Galaxy A5 (2017) features a better looking screen than Samsung Galaxy A21s, because although it has a way smaller screen, it also counts with a better 1080 x 1920 resolution and a much greater amount of pixels per display inch. Galaxy A21s features more storage for applications, games, photos and videos than Samsung Galaxy A5 (2017), and although they both have equal 32 GB internal storage capacity, the Galaxy A21s also has an external memory slot that admits up to 512 GB.
The Galaxy A21s has a superior battery life than Galaxy A5 (2017), because it has 5000mAh of battery capacity. The Galaxy A21s takes much better photographs and videos than Samsung Galaxy A5 (2017), because although it has a smaller aperture which is not favorable for taking pictures and/or video in poorly lited situations, and they both have the same video frame rate and the same video definition, the Galaxy A21s also counts with a much higher resolution back camera.
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